EP0043628A1 - Véhicule - Google Patents
Véhicule Download PDFInfo
- Publication number
- EP0043628A1 EP0043628A1 EP81200757A EP81200757A EP0043628A1 EP 0043628 A1 EP0043628 A1 EP 0043628A1 EP 81200757 A EP81200757 A EP 81200757A EP 81200757 A EP81200757 A EP 81200757A EP 0043628 A1 EP0043628 A1 EP 0043628A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- axle
- trailer
- axle system
- semi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D13/00—Steering specially adapted for trailers
- B62D13/02—Steering specially adapted for trailers for centrally-pivoted axles
- B62D13/025—Steering specially adapted for trailers for centrally-pivoted axles the pivoted movement being initiated by the coupling means between tractor and trailer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G5/00—Resilient suspensions for a set of tandem wheels or axles having interrelated movements
- B60G5/04—Resilient suspensions for a set of tandem wheels or axles having interrelated movements with two or more pivoted arms, the movements of which are resiliently interrelated, e.g. the arms being rigid
- B60G5/047—Resilient suspensions for a set of tandem wheels or axles having interrelated movements with two or more pivoted arms, the movements of which are resiliently interrelated, e.g. the arms being rigid at least one arm being resilient, e.g. a leafspring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/40—Indexing codes relating to the wheels in the suspensions
- B60G2200/44—Indexing codes relating to the wheels in the suspensions steerable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/011—Modular constructions
- B60G2206/0112—Bogies for heavy vehicles
Definitions
- the invention relates to a vehicle comprising a chassis, the rear end of which is supported through a rotary crown by at least one wheeled axle set having at least one engaging hinge, which is engaged by a coupling rod of the steering mechanism.
- the invention has for its object to improve the stability of the vehicle. According to the invention this is achieved in that the engaging hinge is arranged on the side of the vehicle in the axle system beyond the rotary crown and at a level above the wheels and in that the coupling rod is partly located above the wheels.
- the engaging arm of the steering means on the bogie is enlarged so that this bogie is better retained in the steered position.
- space is thus created between the wheels for disposing parts fixed to the chassis, so that a superstructure, for example, a tank can be arranged at a lower level.
- a superstructure for example, a tank can be arranged at a lower level.
- the invention relates in particular to a vehicle in the form of a semi-trailer for transporting bulk material, for exmaple, flour, fodder and the like, in which a sequence J f discharge funnels open out in a common discharge conduit extending in the medium longitudinal plane of the vehicle and in which at least one discharge funnel is disposed above an axle.
- This delivery funnel can extend through the rotary crown of an axle system, whereas the delivery conduit extends below the rotary crown.
- the tractor-semi-trailer combination 8 of Fig. comprises a tractor 9 and a semi-trailer 10, which travels in Fig. 1 through a bend having point 11 as a centre of rotation.
- the rear end 12 of the semi-trailer 10 bears on a first axle system 13 and on a second axle system 14 arranged behind the former, the axles 15 and 16 of which are directed to point 11 in travelling through a bend, like the rear axle 17 and the wheel axles 18 and 19 of the tractor 9.
- the semi-trailer 10 is rotatable about the shaft 20 when bearing on the tractor 9.
- the chassis 2 of the semi-trailer 10 bears through rotary crowns 21 and 22 and air springs 23 on the axles 15 and 16, in turn, bear on the gruond through wheels 24.
- the top ring 26 of each rotary crown 21 and 22 is rigidly secured to the chassis 2, whereas the bottom ring 28 of each rotary crown 21 and 22 is rigidly secured to a frame 29 of an axle system 13 and 14 respectively.
- On each side of each frame 29 a pivot arm 31 is rotatably connected at its front end with a console 30, which is secured to the frame 29 (see Fig. 3).
- the pivot arm 31 bears on the axle 15, 16 and at the rear end of the pivot arm 31 an air spring 23 is arranged between the pivot arm 31 and the frame 29 in a manner such that the chassis 2 bears on the axles 15 and 16 through the rotary crowns 21 and 22, the frames 29, the air springs 23 and the pivot arms 31.
- the air springs 23 are provided with a control-system known per se for adjusting the air pressure in the springs 23 in dependence upon the load.
- the semi-trailer 10 is disposed in a conventional manner on the tractor 9 by means of a coupling plate 27 with the aid of a so-called "king pin” and a guard weight 48, the coupling plate 27 being fastened to the semi-trailer 10 by means of a rotary crown 47.
- the coupling plate 27 constitutes a steering element, which pivotally engages an arm by means of a hinge 49 and a sliding rod 50, which slidably engages a transverse lever 51, which extends to near each of the two sides of the semi-trailer 10 and which is pivotally connected at said place by means of a ball-and-socket joint with a coupling rod 54, which extends above the level of the wheels 24 at the side of the tank 34 to the rear to a ball-and-socket hinge 53 of the hindmost axle system 14.
- the transverse lever 51 is pivotally journalled by means of a rotary track 55 on a console 56 of the semi-trailer 10.
- an intermediate lever 1 is arranged between the two axle systems 13 and 14 on one side of the semi-trailer 10 and is pivotally journalled on the chassis 2 so as to extend substantially in the direction of length of the semi-trailer 10.
- This intermediate lever 1 is coupled by means of a coupling rod 3 extending transversely thereof with the rotatable, hindmost axle system 14 and through a coupling rod 36 extending transversely of the intermediate lever 1 it controls the foremost axle system 13 through a smaller steering angle a than its own steering deflection b, since the hindmost intermediate lever arm 30 has a length c, which materially exceeds the length d of the foremost intermediate lever arm 81.
- the lengths c and d of the intermediate lever arms 80 and 81 are proportioned in accordance with the required ratio between the turning angles b and a of the axle systems 14 and 13 respectively.
- the ratio between the lengths c and d of the intermediate lever arms 80-and 81 is in Figs. 1 to 5 equal to the ratio between the turning angles b and a, since the further lever lengths q, which might affect the relative steering deflections, are equal to one another. Said ratio may be 2:1.
- the intermediate lever 1 is stiffened by ribs 4 and is firmly journalled on the chassis 2 by means of a shaft 5 fastened to the intermediate lever 1 and being supported at the lower end 36 through ball bearings 6 and bearing housings 7 in the intermediate lever 1 and forming part at the top end 35 of a console 32, which is firmly connected through welding plates 33 with the chassis 2 consisting of a tank 34.
- the coupling rods 46 and 3 engage through a spherical hinge 40 the intermediate lever 1 and an extension 41 of the axle systems 13 and 14 respectively. Their length is adjustable, since they are screwed into sleeves 78 by left hand screwthread 58 and right hand screwthread 59 and fixed thereon by bolts 79.
- the invention is particularly important for a . vehicle comprising a row of compartments 84 for transporting bulk material such as flour, lump fodder and the like, in which the discharge funnels 83 of the compartments 84 open out in a common delivery conduit 85 arranged in the medium, longitudinal plane-86 of the chassis 2.
- a discharge funnel 83 may be arranged in each rotary crown 21, 22 .
- the delivery conduit 85 extending below the rotary crowns 21 and 22 does not collide with the steering means i.e. the intermediate lever 1 and the coupling rods 46, 3 and 56.
- Each discharge funnel 83 comprises at a fixed angle 82 a valve 88 of known type that can be lifted by means of a control-member 87, which valve allows the bulk material to pass, when air is blown by a blower (not shown) in the direction of the arrow 89 through the delivery conduit 35.
- the tractor-semi-trailer combination 8 of Fig. 7 comprises, in front of the foremost axle system 13, a third axle system 90, which is steered by means of a second intermediate lever 91, a coupling rod 92 and a coupling rod 93 through a smaller steering deflection f than the steering deflection a from the axle system 14.
- the superstructure of the semi-trailer 10 can start at a low level, since the foremost axle system 13 of Fig. 1 and 90 of Fig. 7 are coupled with the coupling plate 27 through coupling rods 54 located on the outer side and at a high level rather than by means of a so-called triangle located centrally below the superstructure.
- the vehicle comprises a front axle system 13 which controls a second axle system 94 arranged behind the former and consisting of a fixed axle 95 with two pivot-pin-controlled wheels 96.
- the pivot arms 98 and 100 fastened to the wheels 96 and adapted to turn about pivot pins 97 with respect to the axle 95 are intercoupled by means of a track rod 99, whereas the pivot arm 100 engages, through ball hinges 101 and a coupling rod 102, a long lower arm 103 of an additional lever 104, the shaft 106 of which is journalled on a forwardly directed extension 105 of the chassis 2.
- a short upper arm 106 engages through a spherical hinge 108 a control-rod 109 of an intermediate lever 110 arranged at the side of the semi-trailer 10.
- the front arm 111 of the intermediate lever 110 which is materially longer than the rear arm 112 is coupled through a coupling rod 113 with the rotatable front axle system 13.
- the proportions of the lever arms of the intermediate lever 110 are again such that the axle 15 and the wheel axles 114 pass through the same centre of rotation, when the fork 42 performes a deflection, but here are taken into account the lengths of the lever arms s, v, w, x and y.
- the front axle system 13 is directly steered by means of coupling rods 54 from the tractor 9.
- Fig. 10 shows an axle system for a vehicle embodying the invention, the front axle system 13 being coupled with the axle sytem 1 4 by means of an intermediate lever 1 described with reference to Figs. 1 to 5, the wheels 96 being steered from the axle system 94 by means of the intermediate lever 110 and a pitman lever 104 as described above with reference to Fig. 8.
- the middle system of three axle systems is directly controlled by the coupling rods 54 from the tractor 9.
- the semi-trailer 10 of Fig..11 corresponds with that of Fig. 7, but the intermediate coupling levers 1 and 91 with transverse coupling rods 92, 93, 46 and 3 are replaced by coupling rods 61 and 62.
- the coupling rods 61 and 62 each engage an axle system 90, 13 and 13, 14 respectively, that is to say, an engaging hinge 63, 64 65 and 66 respectively, which are arranged on a console 57 of the axle system concerned beyond the relevant rotating crown 21, 22 and above a level over the wheels 24.
- the hinges 63 and 65 are located further to the outside than the hinges 64 and 66 in accordance with the required steering deflections.
- coupling rods 54 could engage the console of the medium or the front axle system 13'and 90 respectively rather than the rear axle system 14.
- the semi-trailer 10 of Fig. 12 corresponds with that of Fig. 11, however, the coupling of the axle systems 13 and 90 with the axle system 14 is established here through an intermediate lever 67, which is pivotally journalled on a bearing element 68 rigidly secured to the chassis 2 and having two telescopic lever arms 69 and 70, each of which is coupled through a hinge 71 with an axle system 13 and 14 respectively.
- the distances k and n between the fulcrum of the intermediate lever 67 and the hinges 71 of the lever arms 69 and 70 respectively are proportioned in accordance with the required ratio between the deflection angles a and b of the axle systems 13 and 14 respectively.
- the axle system 90 is coupled with the axle system 13 through a sleeve rigidly secured to the axle sytem 13, in which a telescopic rod 72 is slidable, said rod being pivotally connected with the hinge 74 of the axle system 13. It may be considered to omit the. axle sytem 90 in Fig. 12 and to then cause the coupling rods 54 to engage the front axle system 13.
- Fig,. 13 is distinguished from Fig. 11 in that an intermediate lever 75 rather than an axle sytem 13 is arranged between the axle systems 90 and 14.
- This intermediate lever 75 extends transversely of the direction of travel of the semi-treiler 10 and is connected by hinges 64 and 65 with coupling rods 61 and 62 in accordance with Fig. 11.
- a third axle system may be coupled by means of such an intermediate lever 75 with an axle system 90 or 14.
- the rear axle system 14 is controlled by means of a hydraulic coupling with the tractor deflection r.
- the coupling plate 27 is pivotally connected with a hydrualic ram 76, chambers of which communicate through ducts 77 with chambers of a hydraulic ram 115, the required steering deflection b being obtained by the choice of the diameter ratio of the rams 76 and 115.
- the coupling of the axle systems 90 and 14 with the intermediate lever 75 is obtained like in Fig. 11 by high-level coupling rods 61 and 62 engaging hinges 63, 64 and 65, 66 respectively arranged at a high level beyond the rotary crowns.
- Fig. 15 shows a vehicle 8 with a semi-trailer 10 embodying the invention.
- the front axle system 13 thereof is coupled by means of a conventional fork 42 (also termed triangle). and a sliding rod 43 with the rear end 44 of the tractor 9.
- the coupling between the axle systems 13 and 14 is established by means of one or two coupling rods 61 engaging hinges 63 and 64, which are arranged on consoles 57 beyond the rotary crowns 21 and 22 respecively at a level above the wheels 24.
- the bogie 124 of Figs. 16 to 18 comprises two axles 133, 139.
- the bogie 124 comprises a frame 131, which is mounted by means of a rotary crown 130 on a chassis formed by a tank 125.
- the tank 125 is provided with a supporting frame 129 having a fastening flange.
- To this fastening flange 144 are coaxially mounted a discharge funnel 127 and a supporting column 145.
- This discharge funnel 127 opens out in a bulk delivery conduit 126.
- a valve 128 is arranged in the funnel 127.
- the frame 131 of the rotatable bogie 124 pivotally engages the supporting column 145 through . a rotary crown 130. As is shown, the frame 131 partly extends above the bulk conduit 126.
- the axles 133, 139 are arranged in a coupled tandem construction.
- the axles 133, 139 are resiliently mounted with the aid of leaf springs 132.
- the leaf springs 132 are each connected at one end with a spring support 147, which supports are fastened through a spacer 137 to the frame 131.
- the leaf springs 132 are pivotally coupled with a supporting arm 135, which is pivoted in the middle to a support 136 rigidly secured to the frame 131.
- the axles 133, 139 are each connected by means of reaction arms 138 with the support 136.
- the spacers 137 bridge the height occupied by the bulk conduit 126 and thus provide space for the rotation of the bogie.
- the bogie 124 is controlled by means of a steering mechanism 140.
- This steering mechanism 140 comprises a transverse lever 151 connected by a hinge 155 to the chassis.
- This transverse lever 155 is coupled by means of a connecting rod 150 with the tractor of the vehicle. When the tractor swings with respect to the semi-trailer, the transverse lever 155 will also swing by means of the connecting rod 150 with respect to the trailer or the tank 125.
- the transverse lever 151 is coupled, at one end, through coupling rods 154 with consoles 157 rigidly secured to the frame 131 of the bogie 124.
- the coupling rods 154 engage engaging hinges 153 of the consoles 157.
- the consoles 157 are constructed so that the engaging hinges 153 are located beyond the rotary crown 130 and above the level of the wheels 134.
- the coupling rods 154 partly extend over the wheels 134.
- a semi-trailer provided with a bogie 124 the hindmost axle 139 viewed in the normal travelling direction, is constructed in the form of a swivel axle.
- the wheels 134 can turn by means of steering pivot pins 164 with respect to the frame 131.
- the steering pivots of the axle 139 carry steering pivot arms 170, which are intercoupled by means of a track rod 177.
- the deflection of the wheels 134 of the axle 139 with respect to the frame 131 is controlled by a steering rod 179, which is pivotally connected by means of steering balls 165 at one end with one of the steering pivot arms 170 and at the other end with an extension arm 146, which is integral with the supporting column 145. It will be apparent that the extension arm 146 is not movable with respect to the tank chassis 125.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
- Seal Device For Vehicle (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Centrifugal Separators (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT81200757T ATE11122T1 (de) | 1980-07-03 | 1981-07-02 | Fahrzeug. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8003857 | 1980-07-03 | ||
NL8003857A NL8003857A (nl) | 1980-07-03 | 1980-07-03 | Voertuig. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0043628A1 true EP0043628A1 (fr) | 1982-01-13 |
EP0043628B1 EP0043628B1 (fr) | 1985-01-09 |
Family
ID=19835560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81200757A Expired EP0043628B1 (fr) | 1980-07-03 | 1981-07-02 | Véhicule |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0043628B1 (fr) |
AT (1) | ATE11122T1 (fr) |
DE (1) | DE3168136D1 (fr) |
NL (1) | NL8003857A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0253725A1 (fr) * | 1986-07-16 | 1988-01-20 | SIO Srl | Dispositif de braquage pour semi-rémorque à deux essieux directeurs |
US4943078A (en) * | 1988-04-28 | 1990-07-24 | Mcghie James R | Heavy duty transport vehicle |
US6135484A (en) * | 1995-12-27 | 2000-10-24 | Tamrock Oy | Tow bar construction for transport vehicles and transport vehicle combinations, and a transport vehicle combination |
BE1019275A3 (nl) * | 2010-04-07 | 2012-05-08 | Drive Nv X | Opbouweenheid voor opbouw op een getrokken voertuig, evenals getrokken voertuig waarop zulke opbouweenheid is aangebracht. |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1911335A (en) * | 1932-04-05 | 1933-05-30 | Abbott Charles Stuart | Steering mechanism for trucks and trailers |
US2764424A (en) * | 1953-08-19 | 1956-09-25 | Charles A Standing | Tractor and semi-trailer construction with steerable rear wheels |
DE1099366B (de) * | 1957-10-12 | 1961-02-09 | Bischoff Werke K G Vorm Pfings | Lenkvorrichtung fuer Doppelachsaggregate von Sattelaufliegern, Anhaengern od. dgl. |
US3338592A (en) * | 1964-02-01 | 1967-08-29 | Hildebrandt Willi | Steering arrangement for tandem axles |
US3690698A (en) * | 1970-11-30 | 1972-09-12 | Carl E Humes | Steering assembly for trailers |
FR2124948A5 (fr) * | 1971-09-06 | 1972-09-22 | Rickardson David | |
NL7303025A (fr) * | 1973-03-05 | 1974-09-09 | ||
NL7805646A (en) * | 1978-05-24 | 1979-11-27 | Welgro Bv | Road tanker unit with chassis steered at rear end - has lever coupled by transverse links to two steering axles |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2223436A (en) * | 1939-02-18 | 1940-12-03 | Sidney B Winn | Trailer vehicle |
US2325609A (en) * | 1942-10-02 | 1943-08-03 | Gladstone A Johnson | Trailer |
ES339450A1 (es) * | 1967-04-18 | 1968-05-01 | Lizarza Inda | Sistema de ejes de ruedas autodirigidos para semirremol- ques. |
-
1980
- 1980-07-03 NL NL8003857A patent/NL8003857A/nl not_active Application Discontinuation
-
1981
- 1981-07-02 AT AT81200757T patent/ATE11122T1/de not_active IP Right Cessation
- 1981-07-02 EP EP81200757A patent/EP0043628B1/fr not_active Expired
- 1981-07-02 DE DE8181200757T patent/DE3168136D1/de not_active Expired
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1911335A (en) * | 1932-04-05 | 1933-05-30 | Abbott Charles Stuart | Steering mechanism for trucks and trailers |
US2764424A (en) * | 1953-08-19 | 1956-09-25 | Charles A Standing | Tractor and semi-trailer construction with steerable rear wheels |
DE1099366B (de) * | 1957-10-12 | 1961-02-09 | Bischoff Werke K G Vorm Pfings | Lenkvorrichtung fuer Doppelachsaggregate von Sattelaufliegern, Anhaengern od. dgl. |
US3338592A (en) * | 1964-02-01 | 1967-08-29 | Hildebrandt Willi | Steering arrangement for tandem axles |
US3690698A (en) * | 1970-11-30 | 1972-09-12 | Carl E Humes | Steering assembly for trailers |
FR2124948A5 (fr) * | 1971-09-06 | 1972-09-22 | Rickardson David | |
NL7303025A (fr) * | 1973-03-05 | 1974-09-09 | ||
DE2407605A1 (de) * | 1973-03-05 | 1974-09-12 | Kennis Bv | Fahrzeug mit steuerbaren hinterachsen |
NL7805646A (en) * | 1978-05-24 | 1979-11-27 | Welgro Bv | Road tanker unit with chassis steered at rear end - has lever coupled by transverse links to two steering axles |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0253725A1 (fr) * | 1986-07-16 | 1988-01-20 | SIO Srl | Dispositif de braquage pour semi-rémorque à deux essieux directeurs |
US4943078A (en) * | 1988-04-28 | 1990-07-24 | Mcghie James R | Heavy duty transport vehicle |
US6135484A (en) * | 1995-12-27 | 2000-10-24 | Tamrock Oy | Tow bar construction for transport vehicles and transport vehicle combinations, and a transport vehicle combination |
BE1019275A3 (nl) * | 2010-04-07 | 2012-05-08 | Drive Nv X | Opbouweenheid voor opbouw op een getrokken voertuig, evenals getrokken voertuig waarop zulke opbouweenheid is aangebracht. |
Also Published As
Publication number | Publication date |
---|---|
NL8003857A (nl) | 1982-02-01 |
EP0043628B1 (fr) | 1985-01-09 |
DE3168136D1 (en) | 1985-02-21 |
ATE11122T1 (de) | 1985-01-15 |
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